<template>
    <div>
       <!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品分类</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图区域 -->
        <el-card>
            <el-row :gutter="20" >
                <el-col :span="8" >
                    <el-input placeholder="请输入内容" v-model="queryInfo.query"  clearable @clear="getGoodsList" >
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col> 
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>

            <!-- 表格 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index" ></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"  ></el-table-column>
                <el-table-column label="商品价格（元）" prop="goods_price" width="95px" ></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px" ></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="140px" >
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px" >
                    <template slot-scope="scope"  >
                        <el-button type="primary" icon="el-icon-edit" size="mini" ></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="reamoveId(scope.row.goods_id)" ></el-button>
                    </template>
                </el-table-column>
            </el-table>

            <!-- 分页 -->
            <el-pagination
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum"
                :page-sizes="[5,10,15,20]"
                :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
export default {
    data() {
        return {
            //查询参数对象
           queryInfo: {
             query: '',
             pagenum: 1,
             pagesize: 10
           },
           //商品列表
           goodslist: [],
           //总数据条数
           total: 0
        }
    },
    created() {
        this.getGoodsList()
    },
    methods: {
        async getGoodsList(){
            const {data: res} = await this.$http.get('goods',{ params: this.queryInfo})
            
            if (res.meta.status !== 200) return this.$message.error('请求商品数据失败')
            
            console.log(res.data)
            this.goodslist= res.data.goods
            this.total= res.data.total
            
        },
        handleSizeChange(newSize){
            this.queryInfo.pagesize= newSize
            this.getGoodsList()
        },
        handleCurrentChange(newPage){
            this.queryInfo.pagenum= newPage
            this.getGoodsList()
        },
        async reamoveId(id){
        const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }).catch(error => error)

        if (confirmResult !== 'confirm') return this.$message.info('已经取消删除')

        const {data: res} = await this.$http.delete(`goods/${id}`)
        if (res.meta.status !== 200) return this.$message.error('删除数据失败')
        this.getGoodsList()
        },
        goAddpage(){
            this.$router.push('/goods/add')
        }
    }
}
</script>

<style lang="less" scoped >

</style>
